588d566a4b06a912a2ffd4beb1c13023d44f62e6434ab929c435400e3f8bb2a4

Analysis

max time kernel
149s
max time network
104s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
22-05-2024 23:32

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General

Target

588d566a4b06a912a2ffd4beb1c13023d44f62e6434ab929c435400e3f8bb2a4.exe
Size

33KB
MD5

0b352f63dede736a4f1e53d874cbde40
SHA1

beea29bacd117d1a0283f224e56b04b07d9bed6b
SHA256

588d566a4b06a912a2ffd4beb1c13023d44f62e6434ab929c435400e3f8bb2a4
SHA512

5fbb782babc3d77de17fb591d8a155d06b8a7eb3b56e19fadd45a664c9295d9e6f4ed85e148896e2605927ee99586a7d26a1ea7a3d3664cf1b75353e6a07545a
SSDEEP

768:/qPJtHA6C1VqahohtgVRNToV7TtRu8rM0wYVFl2g5coW58dO0xXHV2EfKYfdhNhC:/qnA6C1VqaqhtgVRNToV7TtRu8rM0wYi

Score

7^/10

persistence

Malware Config

Signatures

Deletes itself 1 IoCs

Processes:

microsofthelp.exe

pid process

3620 microsofthelp.exe
Executes dropped EXE 1 IoCs

Processes:

microsofthelp.exe

pid process

3620 microsofthelp.exe

pid	process
3620	microsofthelp.exe

pid	process
3620	microsofthelp.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

588d566a4b06a912a2ffd4beb1c13023d44f62e6434ab929c435400e3f8bb2a4.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	588d566a4b06a912a2ffd4beb1c13023d44f62e6434ab929c435400e3f8bb2a4.exe

Drops file in Windows directory 1 IoCs

Processes:

588d566a4b06a912a2ffd4beb1c13023d44f62e6434ab929c435400e3f8bb2a4.exe

description ioc process

File created C:\Windows\microsofthelp.exe 588d566a4b06a912a2ffd4beb1c13023d44f62e6434ab929c435400e3f8bb2a4.exe

description	ioc	process
File created	C:\Windows\microsofthelp.exe	588d566a4b06a912a2ffd4beb1c13023d44f62e6434ab929c435400e3f8bb2a4.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

588d566a4b06a912a2ffd4beb1c13023d44f62e6434ab929c435400e3f8bb2a4.exe

description	pid	process	target process
PID 996 wrote to memory of 3620	996	588d566a4b06a912a2ffd4beb1c13023d44f62e6434ab929c435400e3f8bb2a4.exe	microsofthelp.exe
PID 996 wrote to memory of 3620	996	588d566a4b06a912a2ffd4beb1c13023d44f62e6434ab929c435400e3f8bb2a4.exe	microsofthelp.exe
PID 996 wrote to memory of 3620	996	588d566a4b06a912a2ffd4beb1c13023d44f62e6434ab929c435400e3f8bb2a4.exe	microsofthelp.exe

C:\Users\Admin\AppData\Local\Temp\588d566a4b06a912a2ffd4beb1c13023d44f62e6434ab929c435400e3f8bb2a4.exe
"C:\Users\Admin\AppData\Local\Temp\588d566a4b06a912a2ffd4beb1c13023d44f62e6434ab929c435400e3f8bb2a4.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:996

C:\Windows\microsofthelp.exe
"C:\Windows\microsofthelp.exe"
2⤵
- Deletes itself
- Executes dropped EXE
PID:3620

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Windows\microsofthelp.exe
Filesize
34KB

MD5
2778b7b48842bd24e696d2d1eb85c604

SHA1
74a0cf7f98e8c187e5f96be7eafc97b758f05900

SHA256
eb7d252ac26487c2c4ee7d65744447c15dd6038f9bbcd8bfffdf3236504e748a

SHA512
0f6ce98e6db511879288326a5913dbb0e3ac85da5dba808bf35c8f34a4cffd7a5f2347d74dde67e6c531a5363120a9eba7220dd4c732d4255cc24e426135c1e8

Download Submit
memory/996-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/3620-4-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download